Home / 5,637.17-7,778.62-3,118.94

Finding the Fourth Proportional to 5,637.17, 7,778.62 and 3,118.94

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Solution

The fourth proportional to 5,637.17, 7,778.62 and 3,118.94 is: 4,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.17 : 7,778.62 = 3,118.94 : x
  2. Step 2: Convert to fraction form
    5,637.17/7,778.62 = 3,118.94/x
  3. Step 3: Cross multiply
    5,637.17x = 7,778.62 × 3,118.94
  4. Step 4: Simplify right side
    5,637.17x = 24,261,072.41
  5. Step 5: Solve for x
    x = 24,261,072.41/5,637.17
  6. Step 6: Final answer
    x = 4,303.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.